Raster

* Raster graphics, graphical techniques using arrays of pixel values* Raster scan, the pattern of image readout, transmission, storage, and reconstruction in television and computer images* Rasterisation, or rasterization, conversion of a vector image to a raster image* Raster image processor, or RIP, a component of a printing system that performs rasterisation* Raster to vector, an image conversion process* Raster bar, an effect used in computer demos* Raster-Noton, a record label* Rastrum, a device used in medieval music manuscripts to draw staff lines